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test_sv_simulator.jl
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using Test, BraketSimulator, DataStructures
LARGE_TESTS = get(ENV, "BRAKET_SIM_LARGE_TESTS", "false") == "true"
@testset "State vector simulator" begin
@testset "Simple circuits nq: $qubit_count $instructions" for (
instructions,
qubit_count,
state_vector,
probability_amplitudes,
) in [
([BraketSimulator.Instruction(BraketSimulator.H(), [0])], 1, [0.70710678, 0.70710678], [0.5, 0.5]),
([BraketSimulator.Instruction(BraketSimulator.X(), [0])], 1, [0, 1], [0, 1]),
([BraketSimulator.Instruction(BraketSimulator.X(), [0])], 2, [0, 0, 1, 0], [0, 0, 1, 0]),
([BraketSimulator.Instruction(BraketSimulator.Y(), [0])], 1, [0, im], [0, 1]),
([BraketSimulator.Instruction(BraketSimulator.X(), [0]), BraketSimulator.Instruction(BraketSimulator.X(), [1])], 2, [0, 0, 0, 1], [0, 0, 0, 1]),
([BraketSimulator.Instruction(BraketSimulator.X(), [0]), BraketSimulator.Instruction(BraketSimulator.Z(), [0])], 1, [0, -1], [0, 1]),
(
[BraketSimulator.Instruction(BraketSimulator.X(), [0]), BraketSimulator.Instruction(BraketSimulator.CNot(), [0, 1])],
2,
[0, 0, 0, 1],
[0, 0, 0, 1],
),
(
[BraketSimulator.Instruction(BraketSimulator.X(), [0]), BraketSimulator.Instruction(BraketSimulator.CY(), [0, 1])],
2,
[0, 0, 0, im],
[0, 0, 0, 1],
),
(
[BraketSimulator.Instruction(BraketSimulator.X(), [0]), BraketSimulator.Instruction(BraketSimulator.CZ(), [0, 1])],
2,
[0, 0, 1, 0],
[0, 0, 1, 0],
),
(
[BraketSimulator.Instruction(BraketSimulator.X(), [0]), BraketSimulator.Instruction(BraketSimulator.Swap(), [0, 1])],
2,
[0, 1, 0, 0],
[0, 1, 0, 0],
),
(
[BraketSimulator.Instruction(BraketSimulator.X(), [0]), BraketSimulator.Instruction(BraketSimulator.ISwap(), [0, 1])],
2,
[0, im, 0, 0],
[0, 1, 0, 0],
),
(
[BraketSimulator.Instruction(BraketSimulator.X(), [0]), BraketSimulator.Instruction(BraketSimulator.Swap(), [0, 2])],
3,
[0, 1, 0, 0, 0, 0, 0, 0],
[0, 1, 0, 0, 0, 0, 0, 0],
),
([BraketSimulator.Instruction(BraketSimulator.X(), [0]), BraketSimulator.Instruction(BraketSimulator.S(), [0])], 1, [0, im], [0, 1]),
([BraketSimulator.Instruction(BraketSimulator.X(), [0]), BraketSimulator.Instruction(BraketSimulator.Si(), [0])], 1, [0, -im], [0, 1]),
(
[BraketSimulator.Instruction(BraketSimulator.X(), [0]), BraketSimulator.Instruction(BraketSimulator.T(), [0])],
1,
[0, 0.70710678 + 0.70710678 * im],
[0, 1],
),
(
[BraketSimulator.Instruction(BraketSimulator.X(), [0]), BraketSimulator.Instruction(BraketSimulator.Ti(), [0])],
1,
[0, 0.70710678 - 0.70710678 * im],
[0, 1],
),
([BraketSimulator.Instruction(BraketSimulator.V(), [0])], 1, [0.5 + 0.5 * im, 0.5 - 0.5 * im], [0.5, 0.5]),
([BraketSimulator.Instruction(BraketSimulator.Vi(), [0])], 1, [0.5 - 0.5 * im, 0.5 + 0.5 * im], [0.5, 0.5]),
([BraketSimulator.Instruction(BraketSimulator.I(), [0])], 1, [1, 0], [1, 0]),
([BraketSimulator.Instruction(BraketSimulator.Unitary([0 1; 1 0]), [0])], 1, [0, 1], [0, 1]),
(
[BraketSimulator.Instruction(BraketSimulator.X(), [0]), BraketSimulator.Instruction(BraketSimulator.PhaseShift(0.15), [0])],
1,
[0, 0.98877108 + 0.14943813 * im],
[0, 1],
),
(
[
BraketSimulator.Instruction(BraketSimulator.X(), [0]),
BraketSimulator.Instruction(BraketSimulator.X(), [1]),
BraketSimulator.Instruction(BraketSimulator.CPhaseShift(0.15), [0, 1]),
],
2,
[0, 0, 0, 0.98877108 + 0.14943813 * im],
[0, 0, 0, 1],
),
(
[BraketSimulator.Instruction(BraketSimulator.CPhaseShift00(0.15), [0, 1])],
2,
[0.98877108 + 0.14943813 * im, 0, 0, 0],
[1, 0, 0, 0],
),
(
[BraketSimulator.Instruction(BraketSimulator.X(), [1]), BraketSimulator.Instruction(BraketSimulator.CPhaseShift01(0.15), [0, 1])],
2,
[0, 0.98877108 + 0.14943813 * im, 0, 0],
[0, 1, 0, 0],
),
(
[BraketSimulator.Instruction(BraketSimulator.X(), [0]), BraketSimulator.Instruction(BraketSimulator.CPhaseShift10(0.15), [0, 1])],
2,
[0, 0, 0.98877108 + 0.14943813 * im, 0],
[0, 0, 1, 0],
),
(
[BraketSimulator.Instruction(BraketSimulator.Rx(0.15), [0])],
1,
[0.99718882, -0.07492971 * im],
[0.99438554, 0.00561446],
),
(
[BraketSimulator.Instruction(BraketSimulator.X(), [0]), BraketSimulator.Instruction(BraketSimulator.Ry(0.15), [0])],
1,
[-0.07492971, 0.99718882],
[0.00561446, 0.99438554],
),
(
[BraketSimulator.Instruction(BraketSimulator.H(), [0]), BraketSimulator.Instruction(BraketSimulator.Rz(0.15), [0])],
1,
[0.70511898 - 0.0529833 * im, 0.70511898 + 0.0529833 * im],
[0.5, 0.5],
),
(
[BraketSimulator.Instruction(BraketSimulator.H(), [0]), BraketSimulator.Instruction(BraketSimulator.GPi(0.15), [0])],
1,
[0.69916673 - 0.10566872im, 0.69916673 + 0.10566872im],
[0.5, 0.5],
),
(
[BraketSimulator.Instruction(BraketSimulator.H(), [0]), BraketSimulator.Instruction(BraketSimulator.GPi2(0.15), [0])],
1,
[0.42528093 - 0.49438554im, 0.57471907 - 0.49438554im],
[0.42528093, 0.57471907],
),
(
[BraketSimulator.Instruction(BraketSimulator.MS(π/2, -π/4, 0.3), [0, 1])],
2,
[0.98877108, 0, 0, 0.10566872 - 0.10566872im],
[0.97766824, 0, 0, 0.02233176],
),
(
[BraketSimulator.Instruction(BraketSimulator.H(), [0]), BraketSimulator.Instruction(BraketSimulator.H(), [1]), BraketSimulator.Instruction(BraketSimulator.ECR(), [0, 1])],
2,
[
0.35355339 + 0.35355339im,
0.35355339 + 0.35355339im,
0.35355339 - 0.35355339im,
0.35355339 - 0.35355339im,
],
[0.25, 0.25, 0.25, 0.25],
),
(
[BraketSimulator.Instruction(BraketSimulator.H(), [0]), BraketSimulator.Instruction(BraketSimulator.U(0.15, 0.4, 0.7), [0])],
1,
[0.66459511 - 0.03413278im, 0.36864009 + 0.64903989im],
[0.44285171, 0.55714829],
),
(
[BraketSimulator.Instruction(BraketSimulator.H(), [0]), BraketSimulator.Instruction(BraketSimulator.MultiQubitPhaseShift{1}(0.15), [0])],
1,
[0.69916673 + 0.10566872im, 0.69916673 + 0.10566872im],
[0.5, 0.5],
),
(
[BraketSimulator.Instruction(BraketSimulator.H(), [0]), BraketSimulator.Instruction(BraketSimulator.PRx(0.15, 0.4), [0])],
1,
[0.6844863 - 0.04880085im, 0.72575165 - 0.04880085im],
[0.47090303, 0.52909697],
),
(
[BraketSimulator.Instruction(BraketSimulator.X(), [0]), BraketSimulator.Instruction(BraketSimulator.PSwap(0.15), [0, 1])],
2,
[0, 0.98877108 + 0.14943813 * im, 0, 0],
[0, 1, 0, 0],
),
(
[BraketSimulator.Instruction(BraketSimulator.X(), [0]), BraketSimulator.Instruction(BraketSimulator.XY(0.15), [0, 1])],
2,
[0, 0.07492971 * im, 0.99718882, 0],
[0, 0.00561446, 0.99438554, 0],
),
(
[BraketSimulator.Instruction(BraketSimulator.XX(0.3), [0, 1])],
2,
[0.98877108, 0, 0, -0.14943813 * im],
[0.97766824, 0, 0, 0.02233176],
),
(
[BraketSimulator.Instruction(BraketSimulator.YY(0.3), [0, 1])],
2,
[0.98877108, 0, 0, 0.14943813 * im],
[0.97766824, 0, 0, 0.02233176],
),
(
[BraketSimulator.Instruction(BraketSimulator.ZZ(0.15), [0, 1])],
2,
[0.99718882 - 0.07492971 * im, 0, 0, 0],
[1, 0, 0, 0],
),
(
[
BraketSimulator.Instruction(BraketSimulator.X(), [0]),
BraketSimulator.Instruction(BraketSimulator.X(), [1]),
BraketSimulator.Instruction(BraketSimulator.CCNot(), [0, 1, 2]),
],
3,
[0, 0, 0, 0, 0, 0, 0, 1],
[0, 0, 0, 0, 0, 0, 0, 1],
),
(
[
BraketSimulator.Instruction(BraketSimulator.X(), [0]),
BraketSimulator.Instruction(BraketSimulator.X(), [1]),
BraketSimulator.Instruction(BraketSimulator.CSwap(), [0, 1, 2]),
],
3,
[0, 0, 0, 0, 0, 1, 0, 0],
[0, 0, 0, 0, 0, 1, 0, 0],
),
(
[
BraketSimulator.Instruction(BraketSimulator.X(), [0]),
BraketSimulator.Instruction(BraketSimulator.X(), [2]),
BraketSimulator.Instruction(BraketSimulator.CSwap(), [0, 2, 1]),
],
3,
[0, 0, 0, 0, 0, 0, 1, 0],
[0, 0, 0, 0, 0, 0, 1, 0],
),
(
[
BraketSimulator.Instruction(BraketSimulator.X(), [1]),
BraketSimulator.Instruction(BraketSimulator.X(), [2]),
BraketSimulator.Instruction(BraketSimulator.CSwap(), [1, 2, 0]),
],
3,
[0, 0, 0, 0, 0, 0, 1, 0],
[0, 0, 0, 0, 0, 0, 1, 0],
),
(
[
BraketSimulator.Instruction(BraketSimulator.X(), [1]),
BraketSimulator.Instruction(BraketSimulator.X(), [2]),
BraketSimulator.Instruction(BraketSimulator.CSwap(), [2, 1, 0]),
],
3,
[0, 0, 0, 0, 0, 1, 0, 0],
[0, 0, 0, 0, 0, 1, 0, 0],
),
(
[
BraketSimulator.Instruction(BraketSimulator.X(), [0]),
BraketSimulator.Instruction(BraketSimulator.X(), [2]),
BraketSimulator.Instruction(BraketSimulator.CSwap(), [2, 0, 1]),
],
3,
[0, 0, 0, 1, 0, 0, 0, 0],
[0, 0, 0, 1, 0, 0, 0, 0],
),
(
[
BraketSimulator.Instruction(BraketSimulator.X(), [0]),
BraketSimulator.Instruction(BraketSimulator.X(), [1]),
BraketSimulator.Instruction(BraketSimulator.CSwap(), [1, 0, 2]),
],
3,
[0, 0, 0, 1, 0, 0, 0, 0],
[0, 0, 0, 1, 0, 0, 0, 0],
),
]
@testset "Simulator $sim" for sim in (StateVectorSimulator, DensityMatrixSimulator)
simulation = sim(qubit_count, 0)
simulation = evolve!(simulation, instructions)
if sim == StateVectorSimulator
@test state_vector ≈ collect(BraketSimulator.state_vector(simulation))
end
@test probability_amplitudes ≈
collect(BraketSimulator.probabilities(simulation))
end
end
@testset "Apply observables $obs" for (obs, equivalent_gates, qubit_count) in [
([(BraketSimulator.Observables.X(), [0])], [BraketSimulator.Instruction(BraketSimulator.H(), [0])], 1),
([(BraketSimulator.Observables.Z(), [0])], BraketSimulator.Instruction[], 1),
([(BraketSimulator.Observables.I(), [0])], BraketSimulator.Instruction[], 1),
(
[
(BraketSimulator.Observables.X(), [0]),
(BraketSimulator.Observables.Z(), [3]),
(BraketSimulator.Observables.H(), [2]),
],
[BraketSimulator.Instruction(BraketSimulator.H(), [0]), BraketSimulator.Instruction(BraketSimulator.Ry(-π / 4), [2])],
5,
),
(
[(
BraketSimulator.Observables.TensorProduct([
BraketSimulator.Observables.X(),
BraketSimulator.Observables.Z(),
BraketSimulator.Observables.H(),
BraketSimulator.Observables.I(),
]),
(0, 3, 2, 1),
)],
[BraketSimulator.Instruction(BraketSimulator.H(), [0]), BraketSimulator.Instruction(BraketSimulator.Ry(-π / 4), [2])],
5,
),
(
[(BraketSimulator.Observables.X(), [0, 1])],
[BraketSimulator.Instruction(BraketSimulator.H(), [0]), BraketSimulator.Instruction(BraketSimulator.H(), [1])],
2,
),
([(BraketSimulator.Observables.Z(), [0, 1])], BraketSimulator.Instruction[], 2),
([(BraketSimulator.Observables.I(), [0, 1])], BraketSimulator.Instruction[], 2),
(
[(
BraketSimulator.Observables.TensorProduct([
BraketSimulator.Observables.I(),
BraketSimulator.Observables.Z(),
]),
(2, 0),
)],
BraketSimulator.Instruction[],
3,
),
(
[(
BraketSimulator.Observables.TensorProduct([
BraketSimulator.Observables.X(),
BraketSimulator.Observables.Z(),
]),
(2, 0),
)],
[BraketSimulator.Instruction(BraketSimulator.H(), [2])],
3,
),
]
sim_observables = StateVectorSimulator(qubit_count, 0)
sim_observables = BraketSimulator.apply_observables!(sim_observables, obs)
sim_gates = StateVectorSimulator(qubit_count, 0)
sim_gates = BraketSimulator.evolve!(sim_gates, equivalent_gates)
@test BraketSimulator.state_with_observables(sim_observables) ≈
sim_gates.state_vector
end
@testset "Apply observables fails at second call" begin
simulation = StateVectorSimulator(4, 0)
simulation = BraketSimulator.apply_observables!(
simulation,
[(BraketSimulator.Observables.X(), [0])],
)
@test_throws ErrorException BraketSimulator.apply_observables!(
simulation,
[(BraketSimulator.Observables.X(), [0])],
)
end
@testset "state_with_observables fails before any observables are applied" begin
simulation = StateVectorSimulator(4, 0)
@test_throws ErrorException BraketSimulator.state_with_observables(simulation)
end
@testset "QFT simulation" begin
function qft_circuit_operations(qubit_count::Int)
qft_ops = BraketSimulator.Instruction[]
for target_qubit = 0:qubit_count-1
angle = π / 2
push!(qft_ops, BraketSimulator.Instruction(BraketSimulator.H(), [target_qubit]))
for control_qubit = target_qubit+1:qubit_count-1
push!(
qft_ops,
BraketSimulator.Instruction(BraketSimulator.CPhaseShift(angle), [control_qubit, target_qubit]),
)
angle /= 2
end
end
return qft_ops
end
max_qc = 20
@testset "Qubit count $qubit_count" for qubit_count in 4:max_qc
simulation = StateVectorSimulator(qubit_count, 0)
operations = qft_circuit_operations(qubit_count)
simulation = BraketSimulator.evolve!(simulation, operations)
@test collect(BraketSimulator.probabilities(simulation)) ≈
fill(1.0 / (2^qubit_count), 2^qubit_count)
end
end
@testset "samples" begin
simulation = StateVectorSimulator(2, 10000)
simulation = BraketSimulator.evolve!(
simulation,
[BraketSimulator.Instruction(BraketSimulator.H(), [0]), BraketSimulator.Instruction(BraketSimulator.CNot(), [0, 1])],
)
samples = counter(BraketSimulator.samples(simulation))
@test BraketSimulator.qubit_count(simulation) == 2
@test collect(keys(samples)) == [0, 3]
@test 0.4 < samples[0] / (samples[0] + samples[3]) < 0.6
@test 0.4 < samples[3] / (samples[0] + samples[3]) < 0.6
@test samples[0] + samples[3] == 10000
end
@testset "batch" begin
function make_ghz(num_qubits)
ghz = BraketSimulator.Program(BraketSimulator.braketSchemaHeader("braket.ir.jaqcd.program", "1"), BraketSimulator.Instruction[BraketSimulator.Instruction(BraketSimulator.H(), 0)], BraketSimulator.AbstractProgramResult[], BraketSimulator.Instruction[])
for ii in 1:num_qubits-1
push!(ghz.instructions, BraketSimulator.Instruction(BraketSimulator.CNot(), [0, ii]))
end
return ghz
end
num_qubits = 5
@testset for n_circuits in (1, 100)
shots = 1000
jl_ghz = [make_ghz(num_qubits) for ix in 1:n_circuits]
jl_sim = StateVectorSimulator(num_qubits, 0);
results = BraketSimulator.simulate(jl_sim, jl_ghz, shots)
for (r_ix, r) in enumerate(results)
@test length(r.measurements) == shots
@test 400 < count(m->m == fill(0, num_qubits), r.measurements) < 600
@test 400 < count(m->m == fill(1, num_qubits), r.measurements) < 600
end
end
end
@testset "similar, copy and copyto!" begin
qubit_count = 10
orig = StateVectorSimulator(qubit_count, 0)
sim = similar(orig, shots=100)
@test sim.shots == 100
@test orig.shots == 0
sim.state_vector = 1/√2^qubit_count .* ones(ComplexF64, 2^qubit_count)
sim2 = copy(sim)
@test sim2.shots == 100
@test sim2.state_vector == 1/√2^qubit_count .* ones(ComplexF64, 2^qubit_count)
sim.state_vector = 1/√2^qubit_count .* [exp(im*rand()) for ix in 1:2^qubit_count]
copyto!(sim2, sim)
@test sim2.state_vector ≈ sim.state_vector
end
@testset "Measure with no gates" begin
qasm = """
bit[4] b;
qubit[4] q;
b[0] = measure q[0];
b[1] = measure q[1];
b[2] = measure q[2];
b[3] = measure q[3];
"""
simulator = StateVectorSimulator(0, 0)
oq3_program = BraketSimulator.OpenQasmProgram(BraketSimulator.braketSchemaHeader("braket.ir.openqasm.program", "1"), qasm, nothing)
res = BraketSimulator.simulate(simulator, oq3_program, 1000)
@test all(m -> m == zeros(Int, 4), res.measurements)
@test length(res.measurements) == 1000
@test res.measuredQubits == collect(0:3)
end
@testset "Measure with qubits not used" begin
qasm = """
bit[4] b;
qubit[4] q;
h q[0];
cnot q[0], q[1];
b = measure q;
"""
simulator = StateVectorSimulator(0, 0)
oq3_program = BraketSimulator.OpenQasmProgram(BraketSimulator.braketSchemaHeader("braket.ir.openqasm.program", "1"), qasm, nothing)
res = BraketSimulator.simulate(simulator, oq3_program, 1000)
@test res.measuredQubits == collect(0:3)
@test 400 < sum(m[1] for m in res.measurements) < 600
@test 400 < sum(m[2] for m in res.measurements) < 600
@test sum(m[3] for m in res.measurements) == 0
@test sum(m[4] for m in res.measurements) == 0
@test all(m->length(m) == 4, res.measurements)
end
@testset "supported operations and results" begin
qubit_count = 10
sim = StateVectorSimulator(qubit_count, 0)
@test BraketSimulator.supported_operations(sim) == [
"U",
"GPhase",
"ccnot",
"cnot",
"cphaseshift",
"cphaseshift00",
"cphaseshift01",
"cphaseshift10",
"cswap",
"cv",
"cy",
"cz",
"ecr",
"gpi",
"gpi2",
"h",
"i",
"iswap",
"ms",
"pswap",
"phaseshift",
"prx",
"rx",
"ry",
"rz",
"s",
"si",
"swap",
"t",
"ti",
"unitary",
"v",
"vi",
"x",
"xx",
"xy",
"y",
"yy",
"z",
"zz",
]
new_sv_qubit_count = 18
new_sv_max_shots = 1_000_000
new_sv_observables = ["x", "y", "z", "h", "i", "hermitian"]
new_sv_props_dict = Dict(
:braketSchemaHeader => Dict(
:name => "braket.device_schema.simulators.gate_model_simulator_device_capabilities",
:version => "1",
),
:service => Dict(
:executionWindows => [
Dict(
:executionDay => "Everyday",
:windowStartHour => "00:00",
:windowEndHour => "23:59:59",
),
],
:shotsRange => [0, new_sv_max_shots],
),
:action => Dict(
"braket.ir.jaqcd.program" => Dict(
:actionType => "braket.ir.jaqcd.program",
:version => ["1"],
:supportedOperations => [
"ccnot",
"cnot",
"cphaseshift",
"cphaseshift00",
"cphaseshift01",
"cphaseshift10",
"cswap",
"cv",
"cy",
"cz",
"ecr",
"h",
"i",
"iswap",
"pswap",
"phaseshift",
"prx",
"rx",
"ry",
"rz",
"s",
"si",
"swap",
"t",
"ti",
"unitary",
"v",
"vi",
"x",
"xx",
"xy",
"y",
"yy",
"z",
"zz",
],
:supportedResultTypes => [
Dict(
:name => "Sample",
:observables => new_sv_observables,
:minShots => 1,
:maxShots => new_sv_max_shots,
),
Dict(
:name => "Expectation",
:observables => new_sv_observables,
:minShots => 0,
:maxShots => new_sv_max_shots,
),
Dict(
:name => "Variance",
:observables => new_sv_observables,
:minShots => 0,
:maxShots => new_sv_max_shots,
),
Dict(:name => "Probability", :minShots => 0, :maxShots => new_sv_max_shots),
Dict(:name => "StateVector", :minShots => 0, :maxShots => 0),
Dict(:name => "DensityMatrix", :minShots => 0, :maxShots => 0),
Dict(:name => "Amplitude", :minShots => 0, :maxShots => 0),
],
),
"braket.ir.openqasm.program" => Dict(
:actionType => "braket.ir.openqasm.program",
:version => ["1"],
:supportedOperations => [
"U",
"GPhase",
"ccnot",
"cnot",
"cphaseshift",
"cphaseshift00",
"cphaseshift01",
"cphaseshift10",
"cswap",
"cv",
"cy",
"cz",
"ecr",
"gpi",
"gpi2",
"h",
"i",
"iswap",
"ms",
"pswap",
"phaseshift",
"prx",
"rx",
"ry",
"rz",
"s",
"si",
"swap",
"t",
"ti",
"unitary",
"v",
"vi",
"x",
"xx",
"xy",
"y",
"yy",
"z",
"zz",
],
:supportedModifiers => [
Dict(:name => "ctrl"),
Dict(:name => "negctrl"),
Dict(:name => "pow", :exponent_types => ["int", "float"]),
Dict(:name => "inv"),
],
:supportedPragmas => [
"braket_unitary_matrix",
"braket_result_type_state_vector",
"braket_result_type_density_matrix",
"braket_result_type_sample",
"braket_result_type_expectation",
"braket_result_type_variance",
"braket_result_type_probability",
"braket_result_type_amplitude",
],
:forbiddenPragmas => [
"braket_noise_amplitude_damping",
"braket_noise_bit_flip",
"braket_noise_depolarizing",
"braket_noise_kraus",
"braket_noise_pauli_channel",
"braket_noise_generalized_amplitude_damping",
"braket_noise_phase_flip",
"braket_noise_phase_damping",
"braket_noise_two_qubit_dephasing",
"braket_noise_two_qubit_depolarizing",
],
:supportedResultTypes => [
Dict(
:name => "Sample",
:observables => new_sv_observables,
:minShots => 1,
:maxShots => new_sv_max_shots,
),
Dict(
:name => "Expectation",
:observables => new_sv_observables,
:minShots => 0,
:maxShots => new_sv_max_shots,
),
Dict(
:name => "Variance",
:observables => new_sv_observables,
:minShots => 0,
:maxShots => new_sv_max_shots,
),
Dict(:name => "Probability", :minShots => 0, :maxShots => new_sv_max_shots),
Dict(:name => "StateVector", :minShots => 0, :maxShots => 0),
Dict(:name => "DensityMatrix", :minShots => 0, :maxShots => 0),
Dict(:name => "Amplitude", :minShots => 0, :maxShots => 0),
],
:supportPhysicalQubits => false,
:supportsPartialVerbatimBox => false,
:requiresContiguousQubitIndices => true,
:requiresAllQubitsMeasurement => true,
:supportsUnassignedMeasurements => true,
:disabledQubitRewiringSupported => false,
),
),
:paradigm => Dict(:qubitCount => new_sv_qubit_count),
:deviceParameters =>
Dict(:paradigmParameters => Dict(:qubitCount => new_sv_qubit_count)),
)
new_sv_props = BraketSimulator.StructTypes.constructfrom(BraketSimulator.GateModelSimulatorDeviceCapabilities, new_sv_props_dict)
@test new_sv_props.paradigm.qubitCount == new_sv_qubit_count
@test BraketSimulator.supported_result_types(sim) == BraketSimulator.supported_result_types(sim, Val(:OpenQASM))
end
@testset "inputs handling" begin
sv_adder_qasm = """
OPENQASM 3;
input uint[4] a_in;
input uint[4] b_in;
gate majority a, b, c {
cnot c, b;
cnot c, a;
ccnot a, b, c;
}
gate unmaj a, b, c {
ccnot a, b, c;
cnot c, a;
cnot a, b;
}
qubit cin;
qubit[4] a;
qubit[4] b;
qubit cout;
// set input states
for int[8] i in [0: 3] {
if(bool(a_in[i])) x a[i];
if(bool(b_in[i])) x b[i];
}
// add a to b, storing result in b
majority cin, b[3], a[3];
for int[8] i in [3: -1: 1] { majority a[i], b[i - 1], a[i - 1]; }
cnot a[0], cout;
for int[8] i in [1: 3] { unmaj a[i], b[i - 1], a[i - 1]; }
unmaj cin, b[3], a[3];
// todo: subtle bug when trying to get a result type for both at once
#pragma braket result probability cout, b
#pragma braket result probability cout
#pragma braket result probability b
"""
simulator = StateVectorSimulator(6, 0)
oq3_program = BraketSimulator.OpenQasmProgram(BraketSimulator.braketSchemaHeader("braket.ir.openqasm.program", "1"), sv_adder_qasm, Dict("a_in"=>3, "b_in"=>7))
# should NOT throw a missing input error
BraketSimulator.simulate(simulator, oq3_program, 0; inputs=Dict{String, Float64}())
end
end